CVE-2021-46580: Bentley MicroStation CONNECT JT File Parsing Use-After-Free Remote Code Execution Vulnerability
First published: Fri Feb 18 2022(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JT files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15374.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley Systems | ||
| Bentley MicroStation | <10.16.02 | |
| Bentley Systems | <=10.16.0.80 | |
| Bentley Systems | <10.16.02 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-46580?
CVE-2021-46580 is classified as critical due to its potential to allow remote code execution on affected systems.
How do I fix CVE-2021-46580?
To mitigate CVE-2021-46580, update Bentley MicroStation CONNECT to a version higher than 10.16.0.80 or apply the latest security patches provided by Bentley.
What products are affected by CVE-2021-46580?
CVE-2021-46580 affects Bentley MicroStation CONNECT version 10.16.0.80 and earlier versions of Bentley MicroStation and Bentley View.
What are the potential consequences of CVE-2021-46580 exploitation?
Exploitation of CVE-2021-46580 can lead to unauthorized remote code execution, potentially allowing attackers to take control of the affected system.
Is user interaction required to exploit CVE-2021-46580?
Yes, user interaction is required as an attacker must lure the victim to visit a malicious page or open a compromised file.
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